20-letter words containing u, a, t
- aortic insufficiency — abnormal closure of the aortic valve resulting in regurgitation of blood to the left ventricle.
- apostolic succession — the doctrine that the authority of Christian bishops derives from the Apostles through an unbroken line of consecration
- apparent temperature — heat index.
- apple computer, inc. — (company) Manufacturers of the Macintosh range of personal computers as well as the earlier Apple I, Apple II and Lisa. Founded on 1 April 1976 by Steve Jobs and Steve Wozniak. Apples were among the first microcomputers. They originally used the 6502 processor and are still being made (August 1994), now using the 65816. The Apple II line, which includes the Apple I, is the longest existing line of microcomputers. Steve Jobs left Apple (involuntarily) and started NeXT and later returned when Apple bought NeXT in late 1997(?). Quarterly sales $2150M, profits $138M (Aug 1994). http://apple.com/.
- applicative language — (language) A functional language. Sometimes used loosely for any declarative language though logic programming languages are declarative but not applicative.
- arbitration tribunal — a tribunal set up to settle a dispute by arbitration
- architectural bronze — a brass alloy of about 57 percent copper, 41 percent zinc, and 2 percent lead.
- argument from design — the argument for the existence of God based on the assumption that order in the universe implies an orderer and cannot be a natural feature of the universe.
- aristarchus of samos — 3rd century bc, Greek astronomer who anticipated Copernicus in advancing the theory that the earth revolves around the sun
- armchair quarterback — a person who is not a quarterback (or general, etc.), but offers opinions and criticism on the performance or decisions of those who are
- articulatory feature — a property of a speech sound based on its voicing or on its place or manner of articulation in the vocal tract, as voiceless, bilabial, or stop used in describing the sound (p).
- asexual reproduction — reproduction, as budding, fission, or spore formation, not involving the union of gametes.
- asian tiger mosquito — a mosquito, Aedes albopictus, native to Asia, that transmits yellow fever and dengue and possibly West Nile virus. Compare yellow-fever mosquito.
- assessment procedure — an established method of assessing students or workers
- asset turnover ratio — An asset turnover ratio is a measure of the efficiency of a company, that is calculated by dividing sales for a period by average total assets.
- at the eleventh hour — at the last moment; just before it is too late
- at two hours' notice — with notification only two hours in advance
- atmospheric pressure — Atmospheric pressure is the pressure of the atmosphere on the Earth's surface.
- audio-lingual method — a technique of foreign-language instruction that emphasizes audio-lingual skills over reading and writing and is characterized by extensive use of pattern practice.
- australian rye grass — a European grass, Lolium multiflorum, naturalized in North America, having flowering spikes and used as a winter turf.
- automobile insurance — Automobile insurance is insurance coverage for cars.
- auxiliary power unit — an additional engine fitted to an aircraft to operate when the main engines are not in use
- baccalaureate sermon — a farewell sermon addressed to a graduating class in some U.S. colleges and schools.
- background radiation — low-intensity radiation from, for example, small amounts of radioisotopes in soil, air, building materials, etc
- be hard pushed to do — If you are hard pushed to do something, you find it very difficult to do it.
- beat around the bush — to talk around a subject without getting to the point
- beat the shit out of — to give a severe beating to
- beaverhead mountains — a mountain range on the border of E Idaho and SW Montana, in the Bitterroot Range. 10,961 feet (3343 meters).
- bernese mountain dog — a strong sturdy dog of a breed with a bushy tail and a long silky black coat with reddish-brown and white markings, often used as a working farm dog
- bigmouth buffalofish — a buffalofish, Ictiobus cyprinellus, found in central North America, characterized by a large mouth.
- bimodal distribution — a frequency distribution with two modes
- bird-footed dinosaur — theropod.
- blast-furnace cement — a type of cement made from a blend of ordinary Portland cement and crushed slag from a blast furnace. It has lower setting properties than ordinary Portland cement
- blue ridge mountains — a mountain range in the eastern US, extending from West Virginia into Georgia: part of the Appalachian mountains. Highest peak: Mount Mitchell, 2038 m (6684 ft)
- blue screen of death — (humour) (BSOD) The infamous white-on-blue text screen which appears when Microsoft Windows crashes. BSOD is mostly seen on the 16-bit systems such as Windows 3.1, but also on Windows 95 and apparently even under Windows NT 4. It is most likely to be caused by a GPF, although Windows 95 can do it if you've removed a required CD-ROM from the drive. It is often impossible to recover cleanly from a BSOD. The acronym BSOD is sometimes used as a verb, e.g. "Windoze just keeps BSODing on me today".
- bolometric magnitude — the magnitude of a star derived either from the total energy that it radiates at all wavelengths or from the total energy of those of its wavelengths that are received on earth.
- boulogne billancourt — a suburb of Paris, in N France.
- boulogne-billancourt — an industrial suburb of SW Paris. Pop: 106 367 (1999)
- branch target buffer — (processor) (BTB) A register used to store the predicted destination of a branch in a processor using branch prediction?
- british thermal unit — a unit of heat in the fps system equal to the quantity of heat required to raise the temperature of 1 pound of water by 1°F. 1 British thermal unit is equivalent to 1055.06 joules or 251.997 calories
- broadcast journalism — journalism as practiced in radio and television.
- buck's horn plantain — a Eurasian plant, Plantago coronopus, having leaves resembling a buck's horn: family Plantaginaceae
- buoyancy compensator — an inflatable vest used to control one's buoyancy underwater or to rest at the surface, usually having a connecting hose for inflation or deflation by mouth and a CO 2 cartridge for rapid, emergency inflation.
- bureau of the census — the division of the Department of Commerce that gathers, tabulates, and correlates census statistics.
- butterfly-shell clam — coquina.
- by their own account — If you say that something concerning a particular person is true by his or her own account, you mean that you believe it because that person has said it is true.
- by/from all accounts — If you say that something is true by all accounts or from all accounts, you believe it is true because other people say so.
- calcium hypochlorite — a white, crystalline compound, Ca(OCl) 2 , used as a disinfectant and bleaching agent.
- calcium metasilicate — a white powder, CaSiO 3 , insoluble in water, used as an antacid and as a filler for paper.
- calcium permanganate — a violet, crystalline, deliquescent solid, Ca(MnO 4) 2 ⋅4H 2 O, used chiefly as a disinfectant and deodorizer.